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DC Generators

DC Generators
A triplex wave winding will have parallel paths.

6
4
2
None of the listed here

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DC Generators
For a D.C. machines laboratory following type of D.C. supply will be suitable

Rotary converter
Induction motor D.C. generator set
Synchronous motor D.C. generator set
Mercury are rectifier

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DC Generators
In a wave winding, the commutator pitch is approximately equal to

None of the listed here
Twice the pole pitch
Thrice the pole pitch
Pole pitch

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DC Generators
In case of dc machines, mechanical losses are primary function of

None of the listed here
Voltage
Current
Speed

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DC Generators
In D.C. generators, the brushes on commutator remain in contact with conductors which

Lie under South Pole
Are farthest from the poles
Lie under North Pole
Lie under interpolar region

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DC Generators
The rapid wear of brushes takes place due to

All of these
Excessive spring pressure
Abrasion from dust
Rough commutator bars

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